E-mail can be a useful tool, but the sheer volume can be overwhelming. This year, about 349 billion e-mails a day will be sent worldwide, according to the market research firm Radicati Group Inc. That total is expected to grow to 507 billion a day by 2013. Here’s how to stem the flow to your inbox:

Be careful about giving out your e-mail address.

When you fill out a form, subscribe to a magazine or enter a drawing, consider whether to provide your e-mail address. Some online “free giveaway” promotions are designed to harvest e-mail addresses for marketing lists.

This suggestion may seem so, well, 20th century. But a single phone call — or simply walking down the hall to the person’s desk — can often be quicker and more effective than exchanging multiple e-mails. Los Angeles Times

Jordan's rising role as a U.S.-backed pillar in the precarious Middle East, receiving newly re-upped aid of $1.275 billion a year, builds on a unique 15-year partnership with Colorado pilots that officials this week said they want to expand.

The complicated process took months longer than expected, but a deal is now in place for Airbnb to collect the 10.75 percent city lodging tax for guests when they book, instead of leaving that job to short-term rental hosts.

While the FBI was hunting down notorious hacker Kevin Mitnick in the early 1990s, a newcomer named Erik Weisz showed up in Denver, moved into an apartment on 16th Street and got an IT job at a local law firm.